Spline Machining

You can now profile sketches with splines in HeeksCAD ( mostly from SVG file ), without needing to split them into little lines. They are converted into arcs for the python script, but they remain as splines in HeeksCAD. This is in the source code now; http://code.google.com/p/heekscad/source/browse/trunk/src/HSpline.cpp#417 This was inspired by Jeff Epler's biarc code, available here http://bitbucket.org/jst/inkscape-gcode/

BRepAlgo_Fuse

I added an option "Use old solid fuse" and made it the default. When using the old method, it fixes the problem with unwanted edges.

I found this here http://www.opencascade.org/org/forum/thread_13599/
see 'Use Old Boolean Operations “BRepAlgo_Fuse” can avoid coplanar faces.'

However, apparently the new method is better in other ways, so I have made an option.

OCC offset

After "geo" from #cam mentioned using Open CASCADE's Test Harness and gave me an example, I produced these offsets, which look promising for pocketing with a permissive license. It seemed to produce the offsets very fast.

flyout toolbars again

I changed the flyout toolbars to use a popup window with a toolbar in it, instead of the popup menu I was using before. The tooltips don't seem to be working on the Windows version, though.

Graduated Background

I added a graduated background.
Feel free to suggest some better default colors.
The default is for the color to change from top to bottom, but I have added modes for single color, left to right shaded and four corner color setting.

Flyout toolbars

I've added fly-outs menu to toolbars in HeeksCAD. Currently you have to press the little arrow button to get the popup menu. Then you have to click again on the menu item. I want it to work with a click and drag, rather than two clicks. Also, I want to get rid of the little arrow button and have click and drag work on the main toolbar button. Also, I want the button on the toolbar to change to the last used tool from the drop-down. I can't work out how to change the tool bitmap, though.

Statistics

As an owner of a Google Code project, I can set up Google Analytics and see who is looking at the web site. I have done this for HeeksCAD.
You can look at graphs and pie-charts. The coolest thing is the map with the visits shown on it.